Which of the following is true regarding product variations?

Including variations for a product, such as different sizes or colors, can increase traffic and conversion rates because it offers customers more choices and consolidates related products, making them easier to find. When variations are properly grouped, Amazon combines reviews and product questions for all variations onto a single product detail page. This means customers see a cumulative review count and can browse all related feedback in one place, which builds trust and helps with purchasing decisions. Therefore, the statement that reviews and product questions are separated by variation is incorrect. Images for product variations are essential as they allow customers to visualize each specific option before making a purchase.